Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- app/controllers/settings/preferences_controller.rb
- app/lib/user_settings_decorator.rb
- app/models/user.rb

Conflicts due to the addition of a new preference upstream,
“advanced layout”.

40 files changed, 623 insertions, 135 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 222b7411d..f183b6f5a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,39 @@ Changelog
 
 All notable changes to this project will be documented in this file.
 
+## [2.8.4] - 2019-05-24
+### Fixed
+
+- Fix delivery not retrying on some inbox errors that should be retriable ([ThibG](https://github.com/tootsuite/mastodon/pull/10812))
+- Fix unnecessary 5 minute cooldowns on signature verifications in some cases ([ThibG](https://github.com/tootsuite/mastodon/pull/10813))
+- Fix possible race condition when processing statuses ([ThibG](https://github.com/tootsuite/mastodon/pull/10815))
+
+### Security
+
+- Require specific OAuth scopes for specific endpoints of the streaming API, instead of merely requiring a token for all endpoints, and allow using WebSockets protocol negotiation to specify the access token instead of using a query string ([ThibG](https://github.com/tootsuite/mastodon/pull/10818))
+
+## [2.8.3] - 2019-05-19
+### Added
+
+- Add `og:image:alt` OpenGraph tag ([BenLubar](https://github.com/tootsuite/mastodon/pull/10779))
+- Add clickable area below avatar in statuses in web UI ([Dar13](https://github.com/tootsuite/mastodon/pull/10766))
+- Add crossed-out eye icon on account gallery in web UI ([Kjwon15](https://github.com/tootsuite/mastodon/pull/10715))
+- Add media description tooltip to thumbnails in web UI ([ThibG](https://github.com/tootsuite/mastodon/pull/10713))
+
+### Changed
+
+- Change "mark as sensitive" button into a checkbox for clarity ([ThibG](https://github.com/tootsuite/mastodon/pull/10748))
+
+### Fixed
+
+- Fix bug allowing users to publicly boost their private statuses ([ThibG](https://github.com/tootsuite/mastodon/pull/10775), [ThibG](https://github.com/tootsuite/mastodon/pull/10783))
+- Fix performance in formatter by a little ([ThibG](https://github.com/tootsuite/mastodon/pull/10765))
+- Fix some colors in the light theme ([yuzulabo](https://github.com/tootsuite/mastodon/pull/10754))
+- Fix some colors of the high contrast theme ([yuzulabo](https://github.com/tootsuite/mastodon/pull/10711))
+- Fix ambivalent active state of poll refresh button in web UI ([MaciekBaron](https://github.com/tootsuite/mastodon/pull/10720))
+- Fix duplicate posting being possible from web UI ([hinaloe](https://github.com/tootsuite/mastodon/pull/10785))
+- Fix "invited by" not showing up in admin UI ([ThibG](https://github.com/tootsuite/mastodon/pull/10791))
+
 ## [2.8.2] - 2019-05-05
 ### Added
 
diff --git a/Dockerfile b/Dockerfile
index 6373172fc..46631cde4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -86,7 +86,7 @@ RUN apt update && \
 	useradd -m -u $UID -g $GID -d /opt/mastodon mastodon && \
 	echo "mastodon:`head /dev/urandom | tr -dc A-Za-z0-9 | head -c 24 | mkpasswd -s -m sha-256`" | chpasswd
 
-# Install masto runtime deps
+# Install mastodon runtime deps
 RUN apt -y --no-install-recommends install \
 	  libssl1.1 libpq5 imagemagick ffmpeg \
 	  libicu60 libprotobuf10 libidn11 libyaml-0-2 \
@@ -95,7 +95,7 @@ RUN apt -y --no-install-recommends install \
 	ln -s /opt/mastodon /mastodon && \
 	gem install bundler && \
 	rm -rf /var/cache && \
-	rm -rf /var/lib/apt
+	rm -rf /var/lib/apt/lists/*
 
 # Add tini
 ENV TINI_VERSION="0.18.0"
@@ -104,11 +104,11 @@ ADD https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini /tin
 RUN echo "$TINI_SUM tini" | sha256sum -c -
 RUN chmod +x /tini
 
-# Copy over masto source, and dependencies from building, and set permissions
+# Copy over mastodon source, and dependencies from building, and set permissions
 COPY --chown=mastodon:mastodon . /opt/mastodon
 COPY --from=build-dep --chown=mastodon:mastodon /opt/mastodon /opt/mastodon
 
-# Run masto services in prod mode
+# Run mastodon services in prod mode
 ENV RAILS_ENV="production"
 ENV NODE_ENV="production"
 
diff --git a/app/controllers/settings/preferences_controller.rb b/app/controllers/settings/preferences_controller.rb
index 3d98d583c..a713ee558 100644
--- a/app/controllers/settings/preferences_controller.rb
+++ b/app/controllers/settings/preferences_controller.rb
@@ -46,6 +46,7 @@ class Settings::PreferencesController < Settings::BaseController
       :setting_hide_followers_count,
       :setting_aggregate_reblogs,
       :setting_show_application,
+      :setting_advanced_layout,
       :setting_default_content_type,
       notification_emails: %i(follow follow_request reblog favourite mention digest report pending_account),
       interactions: %i(must_be_follower must_be_following)
diff --git a/app/javascript/mastodon/actions/compose.js b/app/javascript/mastodon/actions/compose.js
index 94062f2be..300fb48a9 100644
--- a/app/javascript/mastodon/actions/compose.js
+++ b/app/javascript/mastodon/actions/compose.js
@@ -63,6 +63,14 @@ const messages = defineMessages({
   uploadErrorPoll:  { id: 'upload_error.poll', defaultMessage: 'File upload not allowed with polls.' },
 });
 
+const COMPOSE_PANEL_BREAKPOINT = 600 + (285 * 1) + (10 * 1);
+
+export const ensureComposeIsVisible = (getState, routerHistory) => {
+  if (!getState().getIn(['compose', 'mounted']) && window.innerWidth < COMPOSE_PANEL_BREAKPOINT) {
+    routerHistory.push('/statuses/new');
+  }
+};
+
 export function changeCompose(text) {
   return {
     type: COMPOSE_CHANGE,
@@ -77,9 +85,7 @@ export function replyCompose(status, routerHistory) {
       status: status,
     });
 
-    if (!getState().getIn(['compose', 'mounted'])) {
-      routerHistory.push('/statuses/new');
-    }
+    ensureComposeIsVisible(getState, routerHistory);
   };
 };
 
@@ -102,9 +108,7 @@ export function mentionCompose(account, routerHistory) {
       account: account,
     });
 
-    if (!getState().getIn(['compose', 'mounted'])) {
-      routerHistory.push('/statuses/new');
-    }
+    ensureComposeIsVisible(getState, routerHistory);
   };
 };
 
@@ -115,9 +119,7 @@ export function directCompose(account, routerHistory) {
       account: account,
     });
 
-    if (!getState().getIn(['compose', 'mounted'])) {
-      routerHistory.push('/statuses/new');
-    }
+    ensureComposeIsVisible(getState, routerHistory);
   };
 };
 
diff --git a/app/javascript/mastodon/actions/statuses.js b/app/javascript/mastodon/actions/statuses.js
index 3916b9ac1..06a19afc3 100644
--- a/app/javascript/mastodon/actions/statuses.js
+++ b/app/javascript/mastodon/actions/statuses.js
@@ -4,6 +4,7 @@ import { evictStatus } from '../storage/modifier';
 
 import { deleteFromTimelines } from './timelines';
 import { importFetchedStatus, importFetchedStatuses, importAccount, importStatus } from './importer';
+import { ensureComposeIsVisible } from './compose';
 
 export const STATUS_FETCH_REQUEST = 'STATUS_FETCH_REQUEST';
 export const STATUS_FETCH_SUCCESS = 'STATUS_FETCH_SUCCESS';
@@ -139,7 +140,7 @@ export function redraft(status, raw_text) {
   };
 };
 
-export function deleteStatus(id, router, withRedraft = false) {
+export function deleteStatus(id, routerHistory, withRedraft = false) {
   return (dispatch, getState) => {
     let status = getState().getIn(['statuses', id]);
 
@@ -156,10 +157,7 @@ export function deleteStatus(id, router, withRedraft = false) {
 
       if (withRedraft) {
         dispatch(redraft(status, response.data.text));
-
-        if (!getState().getIn(['compose', 'mounted'])) {
-          router.push('/statuses/new');
-        }
+        ensureComposeIsVisible(getState, routerHistory);
       }
     }).catch(error => {
       dispatch(deleteStatusFail(id, error));
diff --git a/app/javascript/mastodon/components/autosuggest_input.js b/app/javascript/mastodon/components/autosuggest_input.js
index 4b4aa8f0e..c7d965b53 100644
--- a/app/javascript/mastodon/components/autosuggest_input.js
+++ b/app/javascript/mastodon/components/autosuggest_input.js
@@ -49,7 +49,7 @@ export default class AutosuggestInput extends ImmutablePureComponent {
     autoFocus: PropTypes.bool,
     className: PropTypes.string,
     id: PropTypes.string,
-    searchTokens: ImmutablePropTypes.list,
+    searchTokens: PropTypes.arrayOf(PropTypes.string),
     maxLength: PropTypes.number,
   };
 
diff --git a/app/javascript/mastodon/components/icon_with_badge.js b/app/javascript/mastodon/components/icon_with_badge.js
new file mode 100644
index 000000000..7851eb4be
--- /dev/null
+++ b/app/javascript/mastodon/components/icon_with_badge.js
@@ -0,0 +1,20 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import Icon from 'mastodon/components/icon';
+
+const formatNumber = num => num > 40 ? '40+' : num;
+
+const IconWithBadge = ({ id, count, className }) => (
+  <i className='icon-with-badge'>
+    <Icon id={id} fixedWidth className={className} />
+    {count > 0 && <i className='icon-with-badge__badge'>{formatNumber(count)}</i>}
+  </i>
+);
+
+IconWithBadge.propTypes = {
+  id: PropTypes.string.isRequired,
+  count: PropTypes.number.isRequired,
+  className: PropTypes.string,
+};
+
+export default IconWithBadge;
diff --git a/app/javascript/mastodon/components/media_gallery.js b/app/javascript/mastodon/components/media_gallery.js
index abd17647e..56618462b 100644
--- a/app/javascript/mastodon/components/media_gallery.js
+++ b/app/javascript/mastodon/components/media_gallery.js
@@ -244,6 +244,8 @@ class MediaGallery extends React.PureComponent {
     intl: PropTypes.object.isRequired,
     defaultWidth: PropTypes.number,
     cacheWidth: PropTypes.func,
+    visible: PropTypes.bool,
+    onToggleVisibility: PropTypes.func,
   };
 
   static defaultProps = {
@@ -251,18 +253,24 @@ class MediaGallery extends React.PureComponent {
   };
 
   state = {
-    visible: displayMedia !== 'hide_all' && !this.props.sensitive || displayMedia === 'show_all',
+    visible: this.props.visible !== undefined ? this.props.visible : (displayMedia !== 'hide_all' && !this.props.sensitive || displayMedia === 'show_all'),
     width: this.props.defaultWidth,
   };
 
   componentWillReceiveProps (nextProps) {
-    if (!is(nextProps.media, this.props.media)) {
-      this.setState({ visible: !nextProps.sensitive });
+    if (!is(nextProps.media, this.props.media) && nextProps.visible === undefined) {
+      this.setState({ visible: displayMedia !== 'hide_all' && !nextProps.sensitive || displayMedia === 'show_all' });
+    } else if (!is(nextProps.visible, this.props.visible) && nextProps.visible !== undefined) {
+      this.setState({ visible: nextProps.visible });
     }
   }
 
   handleOpen = () => {
-    this.setState({ visible: !this.state.visible });
+    if (this.props.onToggleVisibility) {
+      this.props.onToggleVisibility();
+    } else {
+      this.setState({ visible: !this.state.visible });
+    }
   }
 
   handleClick = (index) => {
diff --git a/app/javascript/mastodon/components/status.js b/app/javascript/mastodon/components/status.js
index 6f66a4260..b67354b01 100644
--- a/app/javascript/mastodon/components/status.js
+++ b/app/javascript/mastodon/components/status.js
@@ -17,6 +17,8 @@ import { HotKeys } from 'react-hotkeys';
 import classNames from 'classnames';
 import Icon from 'mastodon/components/icon';
 import PollContainer from 'mastodon/containers/poll_container';
+import { displayMedia } from '../initial_state';
+import { is } from 'immutable';
 
 // We use the component (and not the container) since we do not want
 // to use the progress bar to show download progress
@@ -39,6 +41,18 @@ export const textForScreenReader = (intl, status, rebloggedByText = false) => {
   return values.join(', ');
 };
 
+export const defaultMediaVisibility = (status) => {
+  if (!status) {
+    return undefined;
+  }
+
+  if (status.get('reblog', null) !== null && typeof status.get('reblog') === 'object') {
+    status = status.get('reblog');
+  }
+
+  return (displayMedia !== 'hide_all' && !status.get('sensitive') || displayMedia === 'show_all');
+};
+
 export default @injectIntl
 class Status extends ImmutablePureComponent {
 
@@ -85,6 +99,10 @@ class Status extends ImmutablePureComponent {
     'hidden',
   ];
 
+  state = {
+    showMedia: defaultMediaVisibility(this.props.status),
+  };
+
   // Track height changes we know about to compensate scrolling
   componentDidMount () {
     this.didShowCard = !this.props.muted && !this.props.hidden && this.props.status && this.props.status.get('card');
@@ -98,11 +116,19 @@ class Status extends ImmutablePureComponent {
     }
   }
 
+  componentWillReceiveProps (nextProps) {
+    if (!is(nextProps.status, this.props.status) && nextProps.status) {
+      this.setState({ showMedia: defaultMediaVisibility(nextProps.status) });
+    }
+  }
+
   // Compensate height changes
   componentDidUpdate (prevProps, prevState, snapshot) {
     const doShowCard  = !this.props.muted && !this.props.hidden && this.props.status && this.props.status.get('card');
+
     if (doShowCard && !this.didShowCard) {
       this.didShowCard = true;
+
       if (snapshot !== null && this.props.updateScrollBottom) {
         if (this.node && this.node.offsetTop < snapshot.top) {
           this.props.updateScrollBottom(snapshot.height - snapshot.top);
@@ -122,6 +148,10 @@ class Status extends ImmutablePureComponent {
     }
   }
 
+  handleToggleMediaVisibility = () => {
+    this.setState({ showMedia: !this.state.showMedia });
+  }
+
   handleClick = () => {
     if (this.props.onClick) {
       this.props.onClick();
@@ -136,6 +166,17 @@ class Status extends ImmutablePureComponent {
     this.context.router.history.push(`/statuses/${status.getIn(['reblog', 'id'], status.get('id'))}`);
   }
 
+  handleExpandClick = (e) => {
+    if (e.button === 0) {
+      if (!this.context.router) {
+        return;
+      }
+
+      const { status } = this.props;
+      this.context.router.history.push(`/statuses/${status.getIn(['reblog', 'id'], status.get('id'))}`);
+    }
+  }
+
   handleAccountClick = (e) => {
     if (this.context.router && e.button === 0 && !(e.ctrlKey || e.metaKey)) {
       const id = e.currentTarget.getAttribute('data-id');
@@ -198,6 +239,10 @@ class Status extends ImmutablePureComponent {
     this.props.onToggleHidden(this._properStatus());
   }
 
+  handleHotkeyToggleSensitive = () => {
+    this.handleToggleMediaVisibility();
+  }
+
   _properStatus () {
     const { status } = this.props;
 
@@ -298,6 +343,8 @@ class Status extends ImmutablePureComponent {
                 sensitive={status.get('sensitive')}
                 onOpenVideo={this.handleOpenVideo}
                 cacheWidth={this.props.cacheMediaWidth}
+                visible={this.state.showMedia}
+                onToggleVisibility={this.handleToggleMediaVisibility}
               />
             )}
           </Bundle>
@@ -313,6 +360,8 @@ class Status extends ImmutablePureComponent {
                 onOpenMedia={this.props.onOpenMedia}
                 cacheWidth={this.props.cacheMediaWidth}
                 defaultWidth={this.props.cachedMediaWidth}
+                visible={this.state.showMedia}
+                onToggleVisibility={this.handleToggleMediaVisibility}
               />
             )}
           </Bundle>
@@ -348,6 +397,7 @@ class Status extends ImmutablePureComponent {
       moveUp: this.handleHotkeyMoveUp,
       moveDown: this.handleHotkeyMoveDown,
       toggleHidden: this.handleHotkeyToggleHidden,
+      toggleSensitive: this.handleHotkeyToggleSensitive,
     };
 
     return (
@@ -356,7 +406,7 @@ class Status extends ImmutablePureComponent {
           {prepend}
 
           <div className={classNames('status', `status-${status.get('visibility')}`, { 'status-reply': !!status.get('in_reply_to_id'), muted: this.props.muted, read: unread === false })} data-id={status.get('id')}>
-            <div className='status__expand' onClick={this.handleClick} role='presentation' />
+            <div className='status__expand' onClick={this.handleExpandClick} role='presentation' />
             <div className='status__info'>
               <a href={status.get('url')} className='status__relative-time' target='_blank' rel='noopener'><RelativeTimestamp timestamp={status.get('created_at')} /></a>
 
diff --git a/app/javascript/mastodon/features/compose/components/action_bar.js b/app/javascript/mastodon/features/compose/components/action_bar.js
index 95d6eeb06..077226d70 100644
--- a/app/javascript/mastodon/features/compose/components/action_bar.js
+++ b/app/javascript/mastodon/features/compose/components/action_bar.js
@@ -46,7 +46,7 @@ class ActionBar extends React.PureComponent {
     return (
       <div className='compose__action-bar'>
         <div className='compose__action-bar-dropdown'>
-          <DropdownMenuContainer items={menu} icon='ellipsis-v' size={24} direction='right' />
+          <DropdownMenuContainer items={menu} icon='chevron-down' size={16} direction='right' />
         </div>
       </div>
     );
diff --git a/app/javascript/mastodon/features/compose/components/navigation_bar.js b/app/javascript/mastodon/features/compose/components/navigation_bar.js
index 9910eb4f9..d8d49cb95 100644
--- a/app/javascript/mastodon/features/compose/components/navigation_bar.js
+++ b/app/javascript/mastodon/features/compose/components/navigation_bar.js
@@ -20,7 +20,7 @@ export default class NavigationBar extends ImmutablePureComponent {
       <div className='navigation-bar'>
         <Permalink href={this.props.account.get('url')} to={`/accounts/${this.props.account.get('id')}`}>
           <span style={{ display: 'none' }}>{this.props.account.get('acct')}</span>
-          <Avatar account={this.props.account} size={40} />
+          <Avatar account={this.props.account} size={48} />
         </Permalink>
 
         <div className='navigation-bar__profile'>
diff --git a/app/javascript/mastodon/features/compose/components/search.js b/app/javascript/mastodon/features/compose/components/search.js
index 774658b1b..6833c43ef 100644
--- a/app/javascript/mastodon/features/compose/components/search.js
+++ b/app/javascript/mastodon/features/compose/components/search.js
@@ -47,6 +47,10 @@ class SearchPopout extends React.PureComponent {
 export default @injectIntl
 class Search extends React.PureComponent {
 
+  static contextTypes = {
+    router: PropTypes.object.isRequired,
+  };
+
   static propTypes = {
     value: PropTypes.string.isRequired,
     submitted: PropTypes.bool,
@@ -54,6 +58,7 @@ class Search extends React.PureComponent {
     onSubmit: PropTypes.func.isRequired,
     onClear: PropTypes.func.isRequired,
     onShow: PropTypes.func.isRequired,
+    openInRoute: PropTypes.bool,
     intl: PropTypes.object.isRequired,
   };
 
@@ -76,7 +81,12 @@ class Search extends React.PureComponent {
   handleKeyUp = (e) => {
     if (e.key === 'Enter') {
       e.preventDefault();
+
       this.props.onSubmit();
+
+      if (this.props.openInRoute) {
+        this.context.router.history.push('/search');
+      }
     } else if (e.key === 'Escape') {
       document.querySelector('.ui').parentElement.focus();
     }
diff --git a/app/javascript/mastodon/features/follow_requests/index.js b/app/javascript/mastodon/features/follow_requests/index.js
index 3871e0e5d..44624cb40 100644
--- a/app/javascript/mastodon/features/follow_requests/index.js
+++ b/app/javascript/mastodon/features/follow_requests/index.js
@@ -56,7 +56,7 @@ class FollowRequests extends ImmutablePureComponent {
     const emptyMessage = <FormattedMessage id='empty_column.follow_requests' defaultMessage="You don't have any follow requests yet. When you receive one, it will show up here." />;
 
     return (
-      <Column icon='users' heading={intl.formatMessage(messages.heading)}>
+      <Column icon='user-plus' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
         <ScrollableList
           scrollKey='follow_requests'
diff --git a/app/javascript/mastodon/features/getting_started/index.js b/app/javascript/mastodon/features/getting_started/index.js
index a671578a0..129ce77f6 100644
--- a/app/javascript/mastodon/features/getting_started/index.js
+++ b/app/javascript/mastodon/features/getting_started/index.js
@@ -9,12 +9,10 @@ import ImmutablePropTypes from 'react-immutable-proptypes';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import { me, invitesEnabled, version, profile_directory, repository, source_url } from '../../initial_state';
 import { fetchFollowRequests } from 'mastodon/actions/accounts';
-import { changeSetting } from 'mastodon/actions/settings';
 import { List as ImmutableList } from 'immutable';
 import { Link } from 'react-router-dom';
 import NavigationBar from '../compose/components/navigation_bar';
 import Icon from 'mastodon/components/icon';
-import Toggle from 'react-toggle';
 
 const messages = defineMessages({
   home_timeline: { id: 'tabs_bar.home', defaultMessage: 'Home' },
@@ -41,12 +39,10 @@ const messages = defineMessages({
 const mapStateToProps = state => ({
   myAccount: state.getIn(['accounts', me]),
   unreadFollowRequests: state.getIn(['user_lists', 'follow_requests', 'items'], ImmutableList()).size,
-  forceSingleColumn: state.getIn(['settings', 'forceSingleColumn'], false),
 });
 
 const mapDispatchToProps = dispatch => ({
   fetchFollowRequests: () => dispatch(fetchFollowRequests()),
-  changeForceSingleColumn: checked => dispatch(changeSetting(['forceSingleColumn'], checked)),
 });
 
 const badgeDisplay = (number, limit) => {
@@ -59,10 +55,16 @@ const badgeDisplay = (number, limit) => {
   }
 };
 
+const NAVIGATION_PANEL_BREAKPOINT = 600 + (285 * 2) + (10 * 2);
+
 export default @connect(mapStateToProps, mapDispatchToProps)
 @injectIntl
 class GettingStarted extends ImmutablePureComponent {
 
+  static contextTypes = {
+    router: PropTypes.object.isRequired,
+  };
+
   static propTypes = {
     intl: PropTypes.object.isRequired,
     myAccount: ImmutablePropTypes.map.isRequired,
@@ -71,24 +73,23 @@ class GettingStarted extends ImmutablePureComponent {
     fetchFollowRequests: PropTypes.func.isRequired,
     unreadFollowRequests: PropTypes.number,
     unreadNotifications: PropTypes.number,
-    forceSingleColumn: PropTypes.bool,
-    changeForceSingleColumn: PropTypes.func.isRequired,
   };
 
   componentDidMount () {
-    const { myAccount, fetchFollowRequests } = this.props;
+    const { myAccount, fetchFollowRequests, multiColumn } = this.props;
+
+    if (!multiColumn && window.innerWidth >= NAVIGATION_PANEL_BREAKPOINT) {
+      this.context.router.history.replace('/timelines/home');
+      return;
+    }
 
     if (myAccount.get('locked')) {
       fetchFollowRequests();
     }
   }
 
-  handleForceSingleColumnChange = ({ target }) => {
-    this.props.changeForceSingleColumn(target.checked);
-  }
-
   render () {
-    const { intl, myAccount, multiColumn, unreadFollowRequests, forceSingleColumn } = this.props;
+    const { intl, myAccount, multiColumn, unreadFollowRequests } = this.props;
 
     const navItems = [];
     let i = 1;
@@ -133,7 +134,7 @@ class GettingStarted extends ImmutablePureComponent {
     height += 48*3;
 
     if (myAccount.get('locked')) {
-      navItems.push(<ColumnLink key={i++} icon='users' text={intl.formatMessage(messages.follow_requests)} badge={badgeDisplay(unreadFollowRequests, 40)} to='/follow_requests' />);
+      navItems.push(<ColumnLink key={i++} icon='user-plus' text={intl.formatMessage(messages.follow_requests)} badge={badgeDisplay(unreadFollowRequests, 40)} to='/follow_requests' />);
       height += 48;
     }
 
@@ -187,11 +188,6 @@ class GettingStarted extends ImmutablePureComponent {
             </p>
           </div>
         </div>
-
-        <label className='navigational-toggle'>
-          <FormattedMessage id='getting_started.use_simple_layout' defaultMessage='Use simple layout' />
-          <Toggle checked={forceSingleColumn} onChange={this.handleForceSingleColumnChange} />
-        </label>
       </Column>
     );
   }
diff --git a/app/javascript/mastodon/features/keyboard_shortcuts/index.js b/app/javascript/mastodon/features/keyboard_shortcuts/index.js
index ab1ac511e..01b45652c 100644
--- a/app/javascript/mastodon/features/keyboard_shortcuts/index.js
+++ b/app/javascript/mastodon/features/keyboard_shortcuts/index.js
@@ -61,6 +61,10 @@ class KeyboardShortcuts extends ImmutablePureComponent {
                 <td><FormattedMessage id='keyboard_shortcuts.toggle_hidden' defaultMessage='to show/hide text behind CW' /></td>
               </tr>
               <tr>
+                <td><kbd>h</kbd></td>
+                <td><FormattedMessage id='keyboard_shortcuts.toggle_sensitivity' defaultMessage='to show/hide media' /></td>
+              </tr>
+              <tr>
                 <td><kbd>up</kbd>, <kbd>k</kbd></td>
                 <td><FormattedMessage id='keyboard_shortcuts.up' defaultMessage='to move up in the list' /></td>
               </tr>
diff --git a/app/javascript/mastodon/features/search/index.js b/app/javascript/mastodon/features/search/index.js
new file mode 100644
index 000000000..76bf70d4b
--- /dev/null
+++ b/app/javascript/mastodon/features/search/index.js
@@ -0,0 +1,17 @@
+import React from 'react';
+import SearchContainer from 'mastodon/features/compose/containers/search_container';
+import SearchResultsContainer from 'mastodon/features/compose/containers/search_results_container';
+
+const Search = () => (
+  <div className='column search-page'>
+    <SearchContainer />
+
+    <div className='drawer__pager'>
+      <div className='drawer__inner darker'>
+        <SearchResultsContainer />
+      </div>
+    </div>
+  </div>
+);
+
+export default Search;
diff --git a/app/javascript/mastodon/features/status/components/detailed_status.js b/app/javascript/mastodon/features/status/components/detailed_status.js
index 059ecd979..22821af0c 100644
--- a/app/javascript/mastodon/features/status/components/detailed_status.js
+++ b/app/javascript/mastodon/features/status/components/detailed_status.js
@@ -30,6 +30,8 @@ export default class DetailedStatus extends ImmutablePureComponent {
     onHeightChange: PropTypes.func,
     domain: PropTypes.string.isRequired,
     compact: PropTypes.bool,
+    showMedia: PropTypes.bool,
+    onToggleMediaVisibility: PropTypes.func,
   };
 
   state = {
@@ -122,6 +124,8 @@ export default class DetailedStatus extends ImmutablePureComponent {
             inline
             onOpenVideo={this.handleOpenVideo}
             sensitive={status.get('sensitive')}
+            visible={this.props.showMedia}
+            onToggleVisibility={this.props.onToggleMediaVisibility}
           />
         );
       } else {
@@ -132,6 +136,8 @@ export default class DetailedStatus extends ImmutablePureComponent {
             media={status.get('media_attachments')}
             height={300}
             onOpenMedia={this.props.onOpenMedia}
+            visible={this.props.showMedia}
+            onToggleVisibility={this.props.onToggleMediaVisibility}
           />
         );
       }
diff --git a/app/javascript/mastodon/features/status/index.js b/app/javascript/mastodon/features/status/index.js
index 6279bb468..d8c4c50dc 100644
--- a/app/javascript/mastodon/features/status/index.js
+++ b/app/javascript/mastodon/features/status/index.js
@@ -43,7 +43,7 @@ import ImmutablePureComponent from 'react-immutable-pure-component';
 import { HotKeys } from 'react-hotkeys';
 import { boostModal, deleteModal } from '../../initial_state';
 import { attachFullscreenListener, detachFullscreenListener, isFullscreen } from '../ui/util/fullscreen';
-import { textForScreenReader } from '../../components/status';
+import { textForScreenReader, defaultMediaVisibility } from '../../components/status';
 import Icon from 'mastodon/components/icon';
 
 const messages = defineMessages({
@@ -131,6 +131,7 @@ class Status extends ImmutablePureComponent {
 
   state = {
     fullscreen: false,
+    showMedia: defaultMediaVisibility(this.props.status),
   };
 
   componentWillMount () {
@@ -146,6 +147,14 @@ class Status extends ImmutablePureComponent {
       this._scrolledIntoView = false;
       this.props.dispatch(fetchStatus(nextProps.params.statusId));
     }
+
+    if (!Immutable.is(nextProps.status, this.props.status) && nextProps.status) {
+      this.setState({ showMedia: defaultMediaVisibility(nextProps.status) });
+    }
+  }
+
+  handleToggleMediaVisibility = () => {
+    this.setState({ showMedia: !this.state.showMedia });
   }
 
   handleFavouriteClick = (status) => {
@@ -312,6 +321,10 @@ class Status extends ImmutablePureComponent {
     this.handleToggleHidden(this.props.status);
   }
 
+  handleHotkeyToggleSensitive = () => {
+    this.handleToggleMediaVisibility();
+  }
+
   handleMoveUp = id => {
     const { status, ancestorsIds, descendantsIds } = this.props;
 
@@ -432,6 +445,7 @@ class Status extends ImmutablePureComponent {
       mention: this.handleHotkeyMention,
       openProfile: this.handleHotkeyOpenProfile,
       toggleHidden: this.handleHotkeyToggleHidden,
+      toggleSensitive: this.handleHotkeyToggleSensitive,
     };
 
     return (
@@ -455,6 +469,8 @@ class Status extends ImmutablePureComponent {
                   onOpenMedia={this.handleOpenMedia}
                   onToggleHidden={this.handleToggleHidden}
                   domain={domain}
+                  showMedia={this.state.showMedia}
+                  onToggleMediaVisibility={this.handleToggleMediaVisibility}
                 />
 
                 <ActionBar
diff --git a/app/javascript/mastodon/features/ui/components/columns_area.js b/app/javascript/mastodon/features/ui/components/columns_area.js
index ae07b8907..756db3c61 100644
--- a/app/javascript/mastodon/features/ui/components/columns_area.js
+++ b/app/javascript/mastodon/features/ui/components/columns_area.js
@@ -14,6 +14,8 @@ import DrawerLoading from './drawer_loading';
 import BundleColumnError from './bundle_column_error';
 import { Compose, Notifications, HomeTimeline, CommunityTimeline, PublicTimeline, HashtagTimeline, DirectTimeline, FavouritedStatuses, ListTimeline } from '../../ui/util/async-components';
 import Icon from 'mastodon/components/icon';
+import ComposePanel from './compose_panel';
+import NavigationPanel from './navigation_panel';
 
 import detectPassiveEvents from 'detect-passive-events';
 import { scrollRight } from '../../../scroll';
@@ -173,14 +175,22 @@ class ColumnsArea extends ImmutablePureComponent {
 
       return (
         <div className='columns-area__panels'>
-          <div className='columns-area__panels__pane' />
+          <div className='columns-area__panels__pane columns-area__panels__pane--compositional'>
+            <div className='columns-area__panels__pane__inner'>
+              <ComposePanel />
+            </div>
+          </div>
 
           <div className='columns-area__panels__main'>
             <TabsBar key='tabs' />
             {content}
           </div>
 
-          <div className='columns-area__panels__pane' />
+          <div className='columns-area__panels__pane columns-area__panels__pane--start columns-area__panels__pane--navigational'>
+            <div className='columns-area__panels__pane__inner'>
+              <NavigationPanel />
+            </div>
+          </div>
 
           {floatingActionButton}
         </div>
diff --git a/app/javascript/mastodon/features/ui/components/compose_panel.js b/app/javascript/mastodon/features/ui/components/compose_panel.js
new file mode 100644
index 000000000..7c1158e5d
--- /dev/null
+++ b/app/javascript/mastodon/features/ui/components/compose_panel.js
@@ -0,0 +1,41 @@
+import React from 'react';
+import SearchContainer from 'mastodon/features/compose/containers/search_container';
+import ComposeFormContainer from 'mastodon/features/compose/containers/compose_form_container';
+import NavigationContainer from 'mastodon/features/compose/containers/navigation_container';
+import { invitesEnabled, version, repository, source_url } from 'mastodon/initial_state';
+import { Link } from 'react-router-dom';
+import { FormattedMessage } from 'react-intl';
+
+const ComposePanel = () => (
+  <div className='compose-panel'>
+    <SearchContainer openInRoute />
+    <NavigationContainer />
+    <ComposeFormContainer />
+
+    <div className='flex-spacer' />
+
+    <div className='getting-started__footer'>
+      <ul>
+        {invitesEnabled && <li><a href='/invites' target='_blank'><FormattedMessage id='getting_started.invite' defaultMessage='Invite people' /></a> · </li>}
+        <li><Link to='/keyboard-shortcuts'><FormattedMessage id='navigation_bar.keyboard_shortcuts' defaultMessage='Hotkeys' /></Link> · </li>
+        <li><a href='/auth/edit'><FormattedMessage id='getting_started.security' defaultMessage='Security' /></a> · </li>
+        <li><a href='/about/more' target='_blank'><FormattedMessage id='navigation_bar.info' defaultMessage='About this server' /></a> · </li>
+        <li><a href='https://joinmastodon.org/apps' target='_blank'><FormattedMessage id='navigation_bar.apps' defaultMessage='Mobile apps' /></a> · </li>
+        <li><a href='/terms' target='_blank'><FormattedMessage id='getting_started.terms' defaultMessage='Terms of service' /></a> · </li>
+        <li><a href='/settings/applications' target='_blank'><FormattedMessage id='getting_started.developers' defaultMessage='Developers' /></a> · </li>
+        <li><a href='https://docs.joinmastodon.org' target='_blank'><FormattedMessage id='getting_started.documentation' defaultMessage='Documentation' /></a> · </li>
+        <li><a href='/auth/sign_out' data-method='delete'><FormattedMessage id='navigation_bar.logout' defaultMessage='Logout' /></a></li>
+      </ul>
+
+      <p>
+        <FormattedMessage
+          id='getting_started.open_source_notice'
+          defaultMessage='Mastodon is open source software. You can contribute or report issues on GitHub at {github}.'
+          values={{ github: <span><a href={source_url} rel='noopener' target='_blank'>{repository}</a> (v{version})</span> }}
+        />
+      </p>
+    </div>
+  </div>
+);
+
+export default ComposePanel;
diff --git a/app/javascript/mastodon/features/ui/components/follow_requests_nav_link.js b/app/javascript/mastodon/features/ui/components/follow_requests_nav_link.js
new file mode 100644
index 000000000..90c953893
--- /dev/null
+++ b/app/javascript/mastodon/features/ui/components/follow_requests_nav_link.js
@@ -0,0 +1,44 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { fetchFollowRequests } from 'mastodon/actions/accounts';
+import { connect } from 'react-redux';
+import { NavLink, withRouter } from 'react-router-dom';
+import IconWithBadge from 'mastodon/components/icon_with_badge';
+import { me } from 'mastodon/initial_state';
+import { List as ImmutableList } from 'immutable';
+import { FormattedMessage } from 'react-intl';
+
+const mapStateToProps = state => ({
+  locked: state.getIn(['accounts', me, 'locked']),
+  count: state.getIn(['user_lists', 'follow_requests', 'items'], ImmutableList()).size,
+});
+
+export default @withRouter
+@connect(mapStateToProps)
+class FollowRequestsNavLink extends React.Component {
+
+  static propTypes = {
+    dispatch: PropTypes.func.isRequired,
+    locked: PropTypes.bool,
+    count: PropTypes.number.isRequired,
+  };
+
+  componentDidMount () {
+    const { dispatch, locked } = this.props;
+
+    if (locked) {
+      dispatch(fetchFollowRequests());
+    }
+  }
+
+  render () {
+    const { locked, count } = this.props;
+
+    if (!locked || count === 0) {
+      return null;
+    }
+
+    return <NavLink className='column-link column-link--transparent' to='/follow_requests'><IconWithBadge className='column-link__icon' id='user-plus' count={count} /><FormattedMessage id='navigation_bar.follow_requests' defaultMessage='Follow requests' /></NavLink>;
+  }
+
+}
diff --git a/app/javascript/mastodon/features/ui/components/list_panel.js b/app/javascript/mastodon/features/ui/components/list_panel.js
new file mode 100644
index 000000000..1f7ec683a
--- /dev/null
+++ b/app/javascript/mastodon/features/ui/components/list_panel.js
@@ -0,0 +1,55 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { fetchLists } from 'mastodon/actions/lists';
+import { connect } from 'react-redux';
+import { createSelector } from 'reselect';
+import { NavLink, withRouter } from 'react-router-dom';
+import Icon from 'mastodon/components/icon';
+
+const getOrderedLists = createSelector([state => state.get('lists')], lists => {
+  if (!lists) {
+    return lists;
+  }
+
+  return lists.toList().filter(item => !!item).sort((a, b) => a.get('title').localeCompare(b.get('title'))).take(4);
+});
+
+const mapStateToProps = state => ({
+  lists: getOrderedLists(state),
+});
+
+export default @withRouter
+@connect(mapStateToProps)
+class ListPanel extends ImmutablePureComponent {
+
+  static propTypes = {
+    dispatch: PropTypes.func.isRequired,
+    lists: ImmutablePropTypes.list,
+  };
+
+  componentDidMount () {
+    const { dispatch } = this.props;
+    dispatch(fetchLists());
+  }
+
+  render () {
+    const { lists } = this.props;
+
+    if (!lists || lists.isEmpty()) {
+      return null;
+    }
+
+    return (
+      <div>
+        <hr />
+
+        {lists.map(list => (
+          <NavLink key={list.get('id')} className='column-link column-link--transparent' strict to={`/timelines/list/${list.get('id')}`}><Icon className='column-link__icon' id='list-ul' fixedWidth />{list.get('title')}</NavLink>
+        ))}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/ui/components/navigation_panel.js b/app/javascript/mastodon/features/ui/components/navigation_panel.js
new file mode 100644
index 000000000..1fd28c63a
--- /dev/null
+++ b/app/javascript/mastodon/features/ui/components/navigation_panel.js
@@ -0,0 +1,29 @@
+import React from 'react';
+import { NavLink, withRouter } from 'react-router-dom';
+import { FormattedMessage } from 'react-intl';
+import Icon from 'mastodon/components/icon';
+import NotificationsCounterIcon from './notifications_counter_icon';
+import FollowRequestsNavLink from './follow_requests_nav_link';
+import ListPanel from './list_panel';
+
+const NavigationPanel = () => (
+  <div className='navigation-panel'>
+    <NavLink className='column-link column-link--transparent' to='/timelines/home' data-preview-title-id='column.home' data-preview-icon='home' ><Icon className='column-link__icon' id='home' fixedWidth /><FormattedMessage id='tabs_bar.home' defaultMessage='Home' /></NavLink>
+    <NavLink className='column-link column-link--transparent' to='/notifications' data-preview-title-id='column.notifications' data-preview-icon='bell' ><NotificationsCounterIcon className='column-link__icon' /><FormattedMessage id='tabs_bar.notifications' defaultMessage='Notifications' /></NavLink>
+    <FollowRequestsNavLink />
+    <NavLink className='column-link column-link--transparent' to='/timelines/public/local' data-preview-title-id='column.community' data-preview-icon='users' ><Icon className='column-link__icon' id='users' fixedWidth /><FormattedMessage id='tabs_bar.local_timeline' defaultMessage='Local' /></NavLink>
+    <NavLink className='column-link column-link--transparent' exact to='/timelines/public' data-preview-title-id='column.public' data-preview-icon='globe' ><Icon className='column-link__icon' id='globe' fixedWidth /><FormattedMessage id='tabs_bar.federated_timeline' defaultMessage='Federated' /></NavLink>
+    <NavLink className='column-link column-link--transparent' to='/timelines/direct'><Icon className='column-link__icon' id='envelope' fixedWidth /><FormattedMessage id='navigation_bar.direct' defaultMessage='Direct messages' /></NavLink>
+    <NavLink className='column-link column-link--transparent' to='/favourites'><Icon className='column-link__icon' id='star' fixedWidth /><FormattedMessage id='navigation_bar.favourites' defaultMessage='Favourites' /></NavLink>
+    <NavLink className='column-link column-link--transparent' to='/lists'><Icon className='column-link__icon' id='list-ul' fixedWidth /><FormattedMessage id='navigation_bar.lists' defaultMessage='Lists' /></NavLink>
+
+    <ListPanel />
+
+    <hr />
+
+    <a className='column-link column-link--transparent' href='/settings/preferences' target='_blank'><Icon className='column-link__icon' id='cog' fixedWidth /><FormattedMessage id='navigation_bar.preferences' defaultMessage='Preferences' /></a>
+    <a className='column-link column-link--transparent' href='/relationships' target='_blank'><Icon className='column-link__icon' id='address-book-o' fixedWidth /><FormattedMessage id='navigation_bar.follows_and_followers' defaultMessage='Follows and followers' /></a>
+  </div>
+);
+
+export default withRouter(NavigationPanel);
diff --git a/app/javascript/mastodon/features/ui/components/notifications_counter_icon.js b/app/javascript/mastodon/features/ui/components/notifications_counter_icon.js
index deb907866..da553cd9f 100644
--- a/app/javascript/mastodon/features/ui/components/notifications_counter_icon.js
+++ b/app/javascript/mastodon/features/ui/components/notifications_counter_icon.js
@@ -1,23 +1,9 @@
-import React from 'react';
-import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
-import Icon from 'mastodon/components/icon';
+import IconWithBadge from 'mastodon/components/icon_with_badge';
 
 const mapStateToProps = state => ({
   count: state.getIn(['notifications', 'unread']),
+  id: 'bell',
 });
 
-const formatNumber = num => num > 99 ? '99+' : num;
-
-const NotificationsCounterIcon = ({ count }) => (
-  <i className='icon-with-badge'>
-    <Icon id='bell' fixedWidth />
-    {count > 0 && <i className='icon-with-badge__badge'>{formatNumber(count)}</i>}
-  </i>
-);
-
-NotificationsCounterIcon.propTypes = {
-  count: PropTypes.number.isRequired,
-};
-
-export default connect(mapStateToProps)(NotificationsCounterIcon);
+export default connect(mapStateToProps)(IconWithBadge);
diff --git a/app/javascript/mastodon/features/ui/components/tabs_bar.js b/app/javascript/mastodon/features/ui/components/tabs_bar.js
index 979b782bb..29583d3d7 100644
--- a/app/javascript/mastodon/features/ui/components/tabs_bar.js
+++ b/app/javascript/mastodon/features/ui/components/tabs_bar.js
@@ -8,14 +8,12 @@ import Icon from 'mastodon/components/icon';
 import NotificationsCounterIcon from './notifications_counter_icon';
 
 export const links = [
-  <NavLink className='tabs-bar__link primary' to='/timelines/home' data-preview-title-id='column.home' data-preview-icon='home' ><Icon id='home' fixedWidth /><FormattedMessage id='tabs_bar.home' defaultMessage='Home' /></NavLink>,
-  <NavLink className='tabs-bar__link primary' to='/notifications' data-preview-title-id='column.notifications' data-preview-icon='bell' ><NotificationsCounterIcon /><FormattedMessage id='tabs_bar.notifications' defaultMessage='Notifications' /></NavLink>,
-
-  <NavLink className='tabs-bar__link secondary' to='/timelines/public/local' data-preview-title-id='column.community' data-preview-icon='users' ><Icon id='users' fixedWidth /><FormattedMessage id='tabs_bar.local_timeline' defaultMessage='Local' /></NavLink>,
-  <NavLink className='tabs-bar__link secondary' exact to='/timelines/public' data-preview-title-id='column.public' data-preview-icon='globe' ><Icon id='globe' fixedWidth /><FormattedMessage id='tabs_bar.federated_timeline' defaultMessage='Federated' /></NavLink>,
-  <NavLink className='tabs-bar__link primary' to='/search' data-preview-title-id='tabs_bar.search' data-preview-icon='bell' ><Icon id='search' fixedWidth /><FormattedMessage id='tabs_bar.search' defaultMessage='Search' /></NavLink>,
-
-  <NavLink className='tabs-bar__link primary' style={{ flexGrow: '0', flexBasis: '30px' }} to='/getting-started' data-preview-title-id='getting_started.heading' data-preview-icon='bars' ><Icon id='bars' fixedWidth /></NavLink>,
+  <NavLink className='tabs-bar__link' to='/timelines/home' data-preview-title-id='column.home' data-preview-icon='home' ><Icon id='home' fixedWidth /><FormattedMessage id='tabs_bar.home' defaultMessage='Home' /></NavLink>,
+  <NavLink className='tabs-bar__link' to='/notifications' data-preview-title-id='column.notifications' data-preview-icon='bell' ><NotificationsCounterIcon /><FormattedMessage id='tabs_bar.notifications' defaultMessage='Notifications' /></NavLink>,
+  <NavLink className='tabs-bar__link' to='/timelines/public/local' data-preview-title-id='column.community' data-preview-icon='users' ><Icon id='users' fixedWidth /><FormattedMessage id='tabs_bar.local_timeline' defaultMessage='Local' /></NavLink>,
+  <NavLink className='tabs-bar__link' exact to='/timelines/public' data-preview-title-id='column.public' data-preview-icon='globe' ><Icon id='globe' fixedWidth /><FormattedMessage id='tabs_bar.federated_timeline' defaultMessage='Federated' /></NavLink>,
+  <NavLink className='tabs-bar__link optional' to='/search' data-preview-title-id='tabs_bar.search' data-preview-icon='bell' ><Icon id='search' fixedWidth /><FormattedMessage id='tabs_bar.search' defaultMessage='Search' /></NavLink>,
+  <NavLink className='tabs-bar__link' style={{ flexGrow: '0', flexBasis: '30px' }} to='/getting-started' data-preview-title-id='getting_started.heading' data-preview-icon='bars' ><Icon id='bars' fixedWidth /></NavLink>,
 ];
 
 export function getIndex (path) {
diff --git a/app/javascript/mastodon/features/ui/index.js b/app/javascript/mastodon/features/ui/index.js
index 6d5279157..791133afd 100644
--- a/app/javascript/mastodon/features/ui/index.js
+++ b/app/javascript/mastodon/features/ui/index.js
@@ -44,8 +44,9 @@ import {
   Mutes,
   PinnedStatuses,
   Lists,
+  Search,
 } from './util/async-components';
-import { me } from '../../initial_state';
+import { me, forceSingleColumn } from '../../initial_state';
 import { previewState as previewMediaState } from './components/media_modal';
 import { previewState as previewVideoState } from './components/video_modal';
 
@@ -62,7 +63,6 @@ const mapStateToProps = state => ({
   hasComposingText: state.getIn(['compose', 'text']).trim().length !== 0,
   hasMediaAttachments: state.getIn(['compose', 'media_attachments']).size > 0,
   dropdownMenuIsOpen: state.getIn(['dropdown_menu', 'openId']) !== null,
-  forceSingleColumn: state.getIn(['settings', 'forceSingleColumn'], false),
 });
 
 const keyMap = {
@@ -93,6 +93,7 @@ const keyMap = {
   goToMuted: 'g m',
   goToRequests: 'g r',
   toggleHidden: 'x',
+  toggleSensitive: 'h',
 };
 
 class SwitchingColumnsArea extends React.PureComponent {
@@ -101,7 +102,6 @@ class SwitchingColumnsArea extends React.PureComponent {
     children: PropTypes.node,
     location: PropTypes.object,
     onLayoutChange: PropTypes.func.isRequired,
-    forceSingleColumn: PropTypes.bool,
   };
 
   state = {
@@ -140,7 +140,7 @@ class SwitchingColumnsArea extends React.PureComponent {
   }
 
   render () {
-    const { children, forceSingleColumn } = this.props;
+    const { children } = this.props;
     const { mobile } = this.state;
     const singleColumn = forceSingleColumn || mobile;
     const redirect = singleColumn ? <Redirect from='/' to='/timelines/home' exact /> : <Redirect from='/' to='/getting-started' exact />;
@@ -162,7 +162,7 @@ class SwitchingColumnsArea extends React.PureComponent {
           <WrappedRoute path='/favourites' component={FavouritedStatuses} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
           <WrappedRoute path='/pinned' component={PinnedStatuses} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
 
-          <WrappedRoute path='/search' component={Compose} content={children} componentParams={{ isSearchPage: true }} />
+          <WrappedRoute path='/search' component={Search} content={children} />
 
           <WrappedRoute path='/statuses/new' component={Compose} content={children} />
           <WrappedRoute path='/statuses/:statusId' exact component={Status} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
@@ -207,7 +207,6 @@ class UI extends React.PureComponent {
     location: PropTypes.object,
     intl: PropTypes.object.isRequired,
     dropdownMenuIsOpen: PropTypes.bool,
-    forceSingleColumn: PropTypes.bool,
   };
 
   state = {
@@ -456,7 +455,7 @@ class UI extends React.PureComponent {
 
   render () {
     const { draggingOver } = this.state;
-    const { children, isComposing, location, dropdownMenuIsOpen, forceSingleColumn } = this.props;
+    const { children, isComposing, location, dropdownMenuIsOpen } = this.props;
 
     const handlers = {
       help: this.handleHotkeyToggleHelp,
@@ -482,7 +481,7 @@ class UI extends React.PureComponent {
     return (
       <HotKeys keyMap={keyMap} handlers={handlers} ref={this.setHotkeysRef} attach={window} focused>
         <div className={classNames('ui', { 'is-composing': isComposing })} ref={this.setRef} style={{ pointerEvents: dropdownMenuIsOpen ? 'none' : null }}>
-          <SwitchingColumnsArea location={location} onLayoutChange={this.handleLayoutChange} forceSingleColumn={forceSingleColumn}>
+          <SwitchingColumnsArea location={location} onLayoutChange={this.handleLayoutChange}>
             {children}
           </SwitchingColumnsArea>
 
diff --git a/app/javascript/mastodon/features/ui/util/async-components.js b/app/javascript/mastodon/features/ui/util/async-components.js
index 235fd2a07..6e8ed163a 100644
--- a/app/javascript/mastodon/features/ui/util/async-components.js
+++ b/app/javascript/mastodon/features/ui/util/async-components.js
@@ -129,3 +129,7 @@ export function ListEditor () {
 export function ListAdder () {
   return import(/*webpackChunkName: "features/list_adder" */'../../list_adder');
 }
+
+export function Search () {
+  return import(/*webpackChunkName: "features/search" */'../../search');
+}
diff --git a/app/javascript/mastodon/features/video/index.js b/app/javascript/mastodon/features/video/index.js
index 00a63a3d9..b0c408527 100644
--- a/app/javascript/mastodon/features/video/index.js
+++ b/app/javascript/mastodon/features/video/index.js
@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
-import { fromJS } from 'immutable';
+import { fromJS, is } from 'immutable';
 import { throttle } from 'lodash';
 import classNames from 'classnames';
 import { isFullscreen, requestFullscreen, exitFullscreen } from '../ui/util/fullscreen';
@@ -102,6 +102,8 @@ class Video extends React.PureComponent {
     detailed: PropTypes.bool,
     inline: PropTypes.bool,
     cacheWidth: PropTypes.func,
+    visible: PropTypes.bool,
+    onToggleVisibility: PropTypes.func,
     intl: PropTypes.object.isRequired,
     blurhash: PropTypes.string,
     link: PropTypes.node,
@@ -117,7 +119,7 @@ class Video extends React.PureComponent {
     fullscreen: false,
     hovered: false,
     muted: false,
-    revealed: displayMedia !== 'hide_all' && !this.props.sensitive || displayMedia === 'show_all',
+    revealed: this.props.visible !== undefined ? this.props.visible : (displayMedia !== 'hide_all' && !this.props.sensitive || displayMedia === 'show_all'),
   };
 
   // hard coded in components.scss
@@ -280,7 +282,16 @@ class Video extends React.PureComponent {
     document.removeEventListener('MSFullscreenChange', this.handleFullscreenChange, true);
   }
 
-  componentDidUpdate (prevProps) {
+  componentWillReceiveProps (nextProps) {
+    if (!is(nextProps.visible, this.props.visible) && nextProps.visible !== undefined) {
+      this.setState({ revealed: nextProps.visible });
+    }
+  }
+
+  componentDidUpdate (prevProps, prevState) {
+    if (prevState.revealed && !this.state.revealed && this.video) {
+      this.video.pause();
+    }
     if (prevProps.blurhash !== this.props.blurhash && this.props.blurhash) {
       this._decode();
     }
@@ -316,11 +327,11 @@ class Video extends React.PureComponent {
   }
 
   toggleReveal = () => {
-    if (this.state.revealed) {
-      this.video.pause();
+    if (this.props.onToggleVisibility) {
+      this.props.onToggleVisibility();
+    } else {
+      this.setState({ revealed: !this.state.revealed });
     }
-
-    this.setState({ revealed: !this.state.revealed });
   }
 
   handleLoadedData = () => {
diff --git a/app/javascript/mastodon/initial_state.js b/app/javascript/mastodon/initial_state.js
index d74f5ceb1..4e0ecef94 100644
--- a/app/javascript/mastodon/initial_state.js
+++ b/app/javascript/mastodon/initial_state.js
@@ -20,5 +20,6 @@ export const version = getMeta('version');
 export const mascot = getMeta('mascot');
 export const profile_directory = getMeta('profile_directory');
 export const isStaff = getMeta('is_staff');
+export const forceSingleColumn = !getMeta('advanced_layout');
 
 export default initialState;
diff --git a/app/javascript/mastodon/reducers/settings.js b/app/javascript/mastodon/reducers/settings.js
index 419c313af..a0eea137f 100644
--- a/app/javascript/mastodon/reducers/settings.js
+++ b/app/javascript/mastodon/reducers/settings.js
@@ -14,8 +14,6 @@ const initialState = ImmutableMap({
 
   skinTone: 1,
 
-  forceSingleColumn: false,
-
   home: ImmutableMap({
     shows: ImmutableMap({
       reblog: true,
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index fe3c55755..6b8b89a03 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -710,7 +710,7 @@
     white-space: pre-wrap;
 
     &:last-child {
-      margin-bottom: 0;
+      margin-bottom: 2px;
     }
   }
 
@@ -1801,7 +1801,12 @@ a.account__display-name {
       display: flex;
       justify-content: flex-end;
 
+      &--start {
+        justify-content: flex-start;
+      }
+
       &__inner {
+        width: 285px;
         pointer-events: auto;
         height: 100%;
       }
@@ -1925,6 +1930,7 @@ a.account__display-name {
   display: block;
   flex: 1 1 auto;
   padding: 15px 10px;
+  padding-bottom: 13px;
   color: $primary-text-color;
   text-decoration: none;
   text-align: center;
@@ -1949,6 +1955,7 @@ a.account__display-name {
   &:active {
     @media screen and (min-width: 631px) {
       background: lighten($ui-base-color, 14%);
+      border-bottom-color: lighten($ui-base-color, 14%);
     }
   }
 
@@ -1978,11 +1985,21 @@ a.account__display-name {
     padding: 0;
   }
 
-  .search__input,
   .autosuggest-textarea__textarea {
     font-size: 16px;
   }
 
+  .search__input {
+    line-height: 18px;
+    font-size: 16px;
+    padding: 15px;
+    padding-right: 30px;
+  }
+
+  .search__icon .fa {
+    top: 15px;
+  }
+
   @media screen and (min-width: 360px) {
     padding: 10px 0;
   }
@@ -2038,6 +2055,58 @@ a.account__display-name {
         margin-top: 10px;
       }
     }
+
+    .account {
+      padding: 15px 10px;
+    }
+
+    .notification {
+      &__message {
+        margin-left: 48px + 15px * 2;
+        padding-top: 15px;
+      }
+
+      &__favourite-icon-wrapper {
+        left: -32px;
+      }
+
+      .status {
+        padding-top: 8px;
+      }
+
+      .account {
+        padding-top: 8px;
+      }
+
+      .account__avatar-wrapper {
+        margin-left: 17px;
+        margin-right: 15px;
+      }
+    }
+  }
+}
+
+.floating-action-button {
+  position: fixed;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  width: 3.9375rem;
+  height: 3.9375rem;
+  bottom: 1.3125rem;
+  right: 1.3125rem;
+  background: darken($ui-highlight-color, 3%);
+  color: $white;
+  border-radius: 50%;
+  font-size: 21px;
+  line-height: 21px;
+  text-decoration: none;
+  box-shadow: 2px 3px 9px rgba($base-shadow-color, 0.4);
+
+  &:hover,
+  &:focus,
+  &:active {
+    background: lighten($ui-highlight-color, 7%);
   }
 }
 
@@ -2059,12 +2128,41 @@ a.account__display-name {
   }
 }
 
+@media screen and (max-width: 600px + (285px * 1) + (10px * 1)) {
+  .columns-area__panels__pane--compositional {
+    display: none;
+  }
+}
+
+@media screen and (min-width: 600px + (285px * 1) + (10px * 1)) {
+  .floating-action-button,
+  .tabs-bar__link.optional {
+    display: none;
+  }
+
+  .search-page .search {
+    display: none;
+  }
+}
+
+@media screen and (max-width: 600px + (285px * 2) + (10px * 2)) {
+  .columns-area__panels__pane--navigational {
+    display: none;
+  }
+}
+
+@media screen and (min-width: 600px + (285px * 2) + (10px * 2)) {
+  .tabs-bar {
+    display: none;
+  }
+}
+
 .icon-with-badge {
   position: relative;
 
   &__badge {
     position: absolute;
-    right: -13px;
+    left: 9px;
     top: -13px;
     background: $ui-highlight-color;
     border: 2px solid lighten($ui-base-color, 8%);
@@ -2077,6 +2175,57 @@ a.account__display-name {
   }
 }
 
+.column-link--transparent .icon-with-badge__badge {
+  border-color: darken($ui-base-color, 8%);
+}
+
+.compose-panel {
+  width: 285px;
+  margin-top: 10px;
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+
+  .search__input {
+    line-height: 18px;
+    font-size: 16px;
+    padding: 15px;
+    padding-right: 30px;
+  }
+
+  .search__icon .fa {
+    top: 15px;
+  }
+
+  .navigation-bar {
+    padding-top: 20px;
+    padding-bottom: 20px;
+  }
+
+  .flex-spacer {
+    background: transparent;
+  }
+
+  .autosuggest-textarea__textarea {
+    max-height: 200px;
+  }
+
+  .compose-form__upload-thumbnail {
+    height: 80px;
+  }
+}
+
+.navigation-panel {
+  margin-top: 10px;
+
+  hr {
+    border: 0;
+    background: transparent;
+    border-top: 1px solid lighten($ui-base-color, 4%);
+    margin: 10px 0;
+  }
+}
+
 .drawer__pager {
   box-sizing: border-box;
   padding: 0;
@@ -2127,15 +2276,6 @@ a.account__display-name {
   }
 }
 
-.navigational-toggle {
-  padding: 10px;
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  font-size: 14px;
-  color: $dark-text-color;
-}
-
 .pseudo-drawer {
   background: lighten($ui-base-color, 13%);
   font-size: 13px;
@@ -2365,9 +2505,31 @@ a.account__display-name {
   padding: 15px;
   text-decoration: none;
 
-  &:hover {
+  &:hover,
+  &:focus,
+  &:active {
     background: lighten($ui-base-color, 11%);
   }
+
+  &:focus {
+    outline: 0;
+  }
+
+  &--transparent {
+    background: transparent;
+    color: $ui-secondary-color;
+
+    &:hover,
+    &:focus,
+    &:active {
+      background: transparent;
+      color: $primary-text-color;
+    }
+
+    &.active {
+      color: $ui-highlight-color;
+    }
+  }
 }
 
 .column-link__icon {
@@ -5436,34 +5598,6 @@ noscript {
   }
 }
 
-.floating-action-button {
-  position: fixed;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  width: 3.9375rem;
-  height: 3.9375rem;
-  bottom: 1.3125rem;
-  right: 1.3125rem;
-  background: darken($ui-highlight-color, 3%);
-  color: $white;
-  border-radius: 50%;
-  font-size: 21px;
-  line-height: 21px;
-  text-decoration: none;
-  box-shadow: 2px 3px 9px rgba($base-shadow-color, 0.4);
-
-  &:hover,
-  &:focus,
-  &:active {
-    background: lighten($ui-highlight-color, 7%);
-  }
-
-  @media screen and (min-width: 630px) {
-    display: none;
-  }
-}
-
 .account__header__content {
   color: $darker-text-color;
   font-size: 14px;
diff --git a/app/lib/user_settings_decorator.rb b/app/lib/user_settings_decorator.rb
index 802ca71fe..a95d09c5c 100644
--- a/app/lib/user_settings_decorator.rb
+++ b/app/lib/user_settings_decorator.rb
@@ -36,6 +36,7 @@ class UserSettingsDecorator
     user.settings['hide_network']        = hide_network_preference if change?('setting_hide_network')
     user.settings['aggregate_reblogs']   = aggregate_reblogs_preference if change?('setting_aggregate_reblogs')
     user.settings['show_application']    = show_application_preference if change?('setting_show_application')
+    user.settings['advanced_layout']     = advanced_layout_preference if change?('setting_advanced_layout')
     user.settings['default_content_type']= default_content_type_preference if change?('setting_default_content_type')
   end
 
@@ -123,6 +124,10 @@ class UserSettingsDecorator
     boolean_cast_setting 'setting_aggregate_reblogs'
   end
 
+  def advanced_layout_preference
+    boolean_cast_setting 'setting_advanced_layout'
+  end
+
   def default_content_type_preference
     settings['setting_default_content_type']
   end
diff --git a/app/models/user.rb b/app/models/user.rb
index 496cb0b1b..c24741ff1 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -104,7 +104,8 @@ class User < ApplicationRecord
 
   delegate :auto_play_gif, :default_sensitive, :unfollow_modal, :boost_modal, :favourite_modal, :delete_modal,
            :reduce_motion, :system_font_ui, :noindex, :flavour, :skin, :display_media, :hide_network, :hide_followers_count,
-           :expand_spoilers, :default_language, :aggregate_reblogs, :show_application, :default_content_type, to: :settings, prefix: :setting, allow_nil: false
+           :expand_spoilers, :default_language, :aggregate_reblogs, :show_application,
+           :advanced_layout, :default_content_type, to: :settings, prefix: :setting, allow_nil: false
 
   attr_reader :invite_code
   attr_writer :external
diff --git a/app/serializers/initial_state_serializer.rb b/app/serializers/initial_state_serializer.rb
index d74e56ebc..efed199f3 100644
--- a/app/serializers/initial_state_serializer.rb
+++ b/app/serializers/initial_state_serializer.rb
@@ -46,6 +46,7 @@ class InitialStateSerializer < ActiveModel::Serializer
       store[:display_media]   = object.current_account.user.setting_display_media
       store[:expand_spoilers] = object.current_account.user.setting_expand_spoilers
       store[:reduce_motion]   = object.current_account.user.setting_reduce_motion
+      store[:advanced_layout] = object.current_account.user.setting_advanced_layout
       store[:is_staff]        = object.current_account.user.staff?
       store[:default_content_type] = object.current_account.user.setting_default_content_type
     end
diff --git a/app/views/settings/preferences/show.html.haml b/app/views/settings/preferences/show.html.haml
index cd5bf9be2..45c8b55db 100644
--- a/app/views/settings/preferences/show.html.haml
+++ b/app/views/settings/preferences/show.html.haml
@@ -47,6 +47,9 @@
   %hr#settings_web/
 
   .fields-group
+    = f.input :setting_advanced_layout, as: :boolean, wrapper: :with_label
+
+  .fields-group
     = f.input :setting_unfollow_modal, as: :boolean, wrapper: :with_label
     = f.input :setting_boost_modal, as: :boolean, wrapper: :with_label
     = f.input :setting_favourite_modal, as: :boolean, wrapper: :with_label
diff --git a/config/locales/simple_form.cs.yml b/config/locales/simple_form.cs.yml
index 2b4888424..fa45fecd5 100644
--- a/config/locales/simple_form.cs.yml
+++ b/config/locales/simple_form.cs.yml
@@ -26,6 +26,7 @@ cs:
         password: Použijte alespoň 8 znaků
         phrase: Shoda bude nalezena bez ohledu na velikost písmen v těle tootu či varování o obsahu
         scopes: Která API bude aplikaci povoleno používat. Pokud vyberete rozsah nejvyššího stupně, nebudete je muset vybírat jednotlivě.
+        setting_advanced_layout: Pokročilé rozhraní se skládá z několika přizpůsobitelných sloupců
         setting_aggregate_reblogs: Nezobrazovat nové boosty pro tooty, které byly nedávno boostnuty (ovlivňuje pouze nově přijaté boosty)
         setting_default_language: Jazyk vašich tootů může být detekován automaticky, není to však vždy přesné
         setting_display_media_default: Skrývat média označená jako citlivá
@@ -90,6 +91,7 @@ cs:
         otp_attempt: Dvoufázový kód
         password: Heslo
         phrase: Klíčové slovo či fráze
+        setting_advanced_layout: Povolit pokročilé webové rozhraní
         setting_aggregate_reblogs: Seskupovat boosty v časových osách
         setting_auto_play_gif: Automaticky přehrávat animace GIF
         setting_boost_modal: Zobrazovat před boostnutím potvrzovací okno
diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index 6fad7f73a..97a5e8785 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -26,6 +26,7 @@ en:
         password: Use at least 8 characters
         phrase: Will be matched regardless of casing in text or content warning of a toot
         scopes: Which APIs the application will be allowed to access. If you select a top-level scope, you don't need to select individual ones.
+        setting_advanced_layout: The advanced UI consists of multiple customizable columns
         setting_aggregate_reblogs: Do not show new boosts for toots that have been recently boosted (only affects newly-received boosts)
         setting_default_content_type_html: When writing toots, assume they are written in raw HTML, unless specified otherwise
         setting_default_content_type_markdown: When writing toots, assume they are using Markdown for rich text formatting, unless specified otherwise
@@ -93,6 +94,7 @@ en:
         otp_attempt: Two-factor code
         password: Password
         phrase: Keyword or phrase
+        setting_advanced_layout: Enable advanced web interface
         setting_aggregate_reblogs: Group boosts in timelines
         setting_auto_play_gif: Auto-play animated GIFs
         setting_boost_modal: Show confirmation dialog before boosting
diff --git a/config/locales/simple_form.sk.yml b/config/locales/simple_form.sk.yml
index 28e8629d2..c6de0009d 100644
--- a/config/locales/simple_form.sk.yml
+++ b/config/locales/simple_form.sk.yml
@@ -26,6 +26,7 @@ sk:
         password: Zadaj aspoň osem znakov
         phrase: Zhoda sa nájde nezávisle od toho, či je text napísaný, veľkými, alebo malými písmenami, či už v tele, alebo v hlavičke
         scopes: Ktoré API budú povolené aplikácii pre prístup. Ak vyberieš vrcholný stupeň, nemusíš už potom vyberať po jednom.
+        setting_advanced_layout: Pokročilé užívateľské rozhranie sa skladá z viacero prispôsobiteľných stĺpcov
         setting_aggregate_reblogs: Nezobrazuj nové vyzdvihnutia pre príspevky, ktoré už boli len nedávno povýšené (týka sa iba nanovo získaných povýšení)
         setting_default_language: Jazyk tvojích príspevkov môže byť zistený automaticky, ale nieje to vždy presné
         setting_display_media_default: Skry médiá označené ako citlivé
@@ -90,6 +91,7 @@ sk:
         otp_attempt: Dvoj-faktorový overovací (2FA) kód
         password: Heslo
         phrase: Kľúčové slovo, alebo fráza
+        setting_advanced_layout: Zapni pokročilé užívateľské rozhranie
         setting_aggregate_reblogs: Zoskupuj vyzdvihnutia v časovej osi
         setting_auto_play_gif: Automaticky prehrávaj animované GIFy
         setting_boost_modal: Zobrazuj potvrdzovacie okno pred povýšením
@@ -99,7 +101,7 @@ sk:
         setting_delete_modal: Zobrazuj potvrdzovacie okno pred vymazaním toot-u
         setting_display_media: Zobrazovanie médií
         setting_display_media_default: Štandard
-        setting_display_media_hide_all: Skryť všetky
+        setting_display_media_hide_all: Skry všetky
         setting_display_media_show_all: Ukáž všetky
         setting_expand_spoilers: Stále rozbaľ príspevky označené varovaním o obsahu
         setting_hide_network: Ukri svoju sieť kontaktov
@@ -112,7 +114,7 @@ sk:
         severity: Závažnosť
         type: Typ importu
         username: Prezývka
-        username_or_email: Prezívka, alebo email
+        username_or_email: Prezývka, alebo email
         whole_word: Celé slovo
       featured_tag:
         name: Haštag
diff --git a/config/settings.yml b/config/settings.yml
index 69996af25..bde43cb3c 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -35,6 +35,7 @@ defaults: &defaults
   flavour: 'glitch'
   skin: 'default'
   aggregate_reblogs: true
+  advanced_layout: true
   notification_emails:
     follow: false
     reblog: false
diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index b2eec94e6..c986d711b 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -13,7 +13,7 @@ module Mastodon
     end
 
     def patch
-      2
+      4
     end
 
     def pre